Case for holding a music player



FIG. 1 is a top plan view of a case for holding a music player showing my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a perspective view thereof.

The broken line showing of environment in FIG. 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a case for holding a music player, as shown and described. 